Which of the following is an isotope? An atom with 2 protons, 3 neutrons and 2 electrons
An atom with 2 protons, 2 neutrons and 2 electrons
An atom with 2 protons, 2 neutrons and 4 electrons

Agroup of students are walking in the park, and one of them takes a picture of a pollen grain that is being blown by the wind.what caption can the student use for this picture? fahrte "littl1111111nimmt-hhhfull film# # #gene mutation in actiongene flow at workgenetic drift as it happensnatural selection in progresshii

If the rna molecule in a human has the nucleotide sequence of guu, this would the amino acid valine would be needed to make the protein. how would this cha process was occurring in a mushroom?

Climate like that in the sahara desert have the fastest rates of weathering